General

  • Target

    5bd07877dfc90482632cc43e3bee0c51d1afd52202e862f22e3d4af4b08dc8f6.exe

  • Size

    262KB

  • Sample

    250121-wnhz8swkc1

  • MD5

    927c6d4643486b1651636e48cecf380b

  • SHA1

    7ec5a7b99457f6727aee71bfd2fc2e9416ea476c

  • SHA256

    5bd07877dfc90482632cc43e3bee0c51d1afd52202e862f22e3d4af4b08dc8f6

  • SHA512

    d16b8a5d906f71d643881584ca6e8220f4aefb646bf6bd2f784f6b6a0026adc0f91ecf87d7cd12c2890c6dd7ec1243c3221c3691e450b3e2cb4dc3df0e91ce55

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eU:WFzDqa86hV6uRRqX1evPlwAr

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes
  • delay

    0

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      5bd07877dfc90482632cc43e3bee0c51d1afd52202e862f22e3d4af4b08dc8f6.exe

    • Size

      262KB

    • MD5

      927c6d4643486b1651636e48cecf380b

    • SHA1

      7ec5a7b99457f6727aee71bfd2fc2e9416ea476c

    • SHA256

      5bd07877dfc90482632cc43e3bee0c51d1afd52202e862f22e3d4af4b08dc8f6

    • SHA512

      d16b8a5d906f71d643881584ca6e8220f4aefb646bf6bd2f784f6b6a0026adc0f91ecf87d7cd12c2890c6dd7ec1243c3221c3691e450b3e2cb4dc3df0e91ce55

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eU:WFzDqa86hV6uRRqX1evPlwAr

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks